wade decision that legalized abortion. are the protests expected to be larger than usual because of that? >> reporter: exactly. and that's why we're expecting so many people for the second time this week on the national mall. in fact the anniversary was the day after inauguration. so organizers moved march for life to friday. and in the last 40 years, a lot of the emotions and issues have not changed. what has changed is legislation. for the most part legislators, republicans, have enacted more than 150 laws restricting abortion. there are now 17 states that pay for abortion for low income women and of course federal funds are restricted there. wae continue for s we continue to see demonstrations on both sides. but public opinion is pretty clear. 7 out of 10 said they want roe vs. wade abortion rights to remain the law of the land. today in addition to those thousands of people from around the country who plan to attend the event on the national mall, house speaker john boehner will be speaking, as well. >> tracie potts li